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Animal Life - 2 Class 4 Worksheet Science

Q1: Fill in the Blanks.


(i) Birds have ________ which helps them fly.
Ans: Wings - Birds have wings that are adapted for flying.
Animal Life - 2 Class 4 Worksheet Science

(ii) Fish breathe through their ________.
Ans: Gills - Fish breathe through their gills, which extract oxygen from water.

(iii) The hard outer covering of insects is called ________.
Ans: Exoskeleton - The hard outer covering of insects is called an exoskeleton, providing support and protection.

(iv) Reptiles are cold-blooded, which means they cannot ________ their body temperature.
Ans: Regulate - Reptiles are cold-blooded and cannot regulate their body temperature internally.
Animal Life - 2 Class 4 Worksheet Science

(v) The process of transformation of a caterpillar into a butterfly is called ________.
Ans: Metamorphosis - The process of transformation of a caterpillar into a butterfly is called metamorphosis.

Q2: Match the Column.

Animal Life - 2 Class 4 Worksheet ScienceAns:
Lion - Forest: Lions are typically found in grasslands and savannas but can also live in dense forests.
Shark - Ocean: Sharks are marine animals and are found in oceans and seas.
Camel - Desert: Camels are well-adapted to desert environments and can withstand hot and arid conditions.
Penguin - Arctic: Penguins are found in the Southern Hemisphere, with some species living in the Arctic region.
Elephant - Grasslands: Elephants are commonly found in grasslands and savannas where there is abundant vegetation.

Q3: True & False Questions.


(i) Tigers are herbivores. 
Ans: False
Tigers are carnivores and eat meat.

(ii) Dolphins are mammals.
Ans: True
Dolphins are mammals that live in aquatic environments.

(iii) Frogs undergo metamorphosis.
Ans: True
Frogs undergo metamorphosis, starting as tadpoles and developing into adult frogs.
Animal Life - 2 Class 4 Worksheet Science

(iv) Spiders have six legs.
Ans: False
Spiders have eight legs.

(v) Snakes are venomous reptiles.
Ans: True
Some snakes are venomous and use their venom for hunting or defense.

Q4: Write the Correct Order.


Arrange the following stages in the life cycle of a frog in the correct order.
(a)
Adult Frog
(b) Tadpole
(c) Froglet
(d) Frogspawn
Ans: Correct Order: d) Frogspawn → b) Tadpole → c) Froglet → a) Adult Frog
Animal Life - 2 Class 4 Worksheet Science

Q5: Name Which Animal Is This?


Read the following clues and name the animal.
(a) I am the largest land animal.
(b) I have a long trunk and tusks.
(c) People ride on my back in some countries.
Q. Who am I?
Ans: Elephant - Elephants are the largest land animals with a distinctive trunk and tusks.
Animal Life - 2 Class 4 Worksheet Science

Q6: Multiple Choice Questions (MCQs).


(i) Which of the following animals hibernates during winter?
(a) Crocodile
(b) Bear
(c) Eagle
(d) Kangaroo

Ans: (b)
Bears hibernate during the winter months to conserve energy when food is scarce.
Animal Life - 2 Class 4 Worksheet Science

(ii) Which of the following animals is not a mammal?
(a) Whale
(b) Bat
(c) Ostrich
(d) Gorilla

Ans: (c)
Ostriches are birds, not mammals.

(iii) How do butterflies taste their food?
(a) With their antennae
(b) With their feet
(c) With their wings
(d) With their mouthparts

Ans: (b)
Butterflies can taste food by standing on it with their feet, which contain taste receptors.
Animal Life - 2 Class 4 Worksheet Science

(iv) What is the gestation period of an elephant?
(a) 4 months
(b) 9 months
(c) 12 months
(d) 22 months

Ans: (d)
The gestation period of an elephant is around 22 months, making it the longest among land animals.

(v) Which of the following animals is known for its ability to change color?
(a) Chameleon
(b) Panda
(c) Koala
(d) Sloth

Ans: (a)
Chameleons are known for their ability to change color for communication and camouflage purposes.

Q7: Answer the following Questions.

How do the following animals move?
(a)
Turtles
(b) Penguins
Ans:
(a) Turtles: Turtles move in a unique way, primarily using their legs and feet. They are well adapted for life in both water and on land. In water, turtles use their flippers to paddle and swim gracefully through the water. They move these flippers in a way that resembles the motion of a bird's wings, but with a more sweeping motion. Turtles are strong swimmers and can cover long distances in the water.
On land, turtles walk slowly and steadily using their strong legs. They tuck their head and limbs into their shell and use their abdominal muscles to push themselves forward. This walking movement is generally slow and deliberate.
(b) Penguins: Penguins are flightless birds that have adapted to life in the water. They are excellent swimmers and use their wings, which have evolved into flippers, to propel themselves through the water. Penguins have a unique swimming style called "fly-and-propel." They use their flippers to "fly" through the water and then use their feet and tail to "propel" themselves further. This combination of wing and foot movements allows them to be agile and efficient swimmers.
Animal Life - 2 Class 4 Worksheet Science

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